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3 years ago

Help please, I don’t understand this

Mathematics

2 answers:

Solnce55 [7]3 years ago

6 0

Answer:

r(14) = 29

Step-by-step explanation:

r(x) = 3/2x+8

r(14) = 3/2*14+8 = 21+8 = 29

kotegsom [21]3 years ago

4 0

Answer:

r(14) would be equal to 29.

Step-by-step explanation:

you plug in 14 for x in the equation, which makes 3/2(14)+8. it simplifies to 29. hope that helped

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Enter the plan width for the rectangular room. Round your answer to the nearest tenth.

Jobisdone [24]

Answer:

350

Step-by-step explanation:

5x7x10=350

5 0

2 years ago

Find the surface area of the figure. ft

Lapatulllka [165]

Answer:

486

Step-by-step explanation:

Hello!

To find the surface area of a cube we use the equation

$S = 6a^{2}$

S is the surface area

a is the side length

Put what we know into the equation

$S = 6*9^{2}$

Solve

S = 6 * 81

S = 486

Hope this Helps!

3 0

3 years ago

Read 2 more answers

Sarris daily tips this work week were $43, $32, $65, $88, $50 and $72. Is Sarah correct in thinking that the mean accurately rep

ella [17]

The answer is A.

Add all the number values together and then divide it by the number of values you have: 43+32+65+88+50+72=350
350/6=58.33

7 0

3 years ago

Express 2 1/2kg as grams

enyata [817]

The answer is 2 1/2kg = <span>2500 g</span>

8 0

2 years ago

During 4 days, the price of the stock of PEV Corporation went up 1/4 of a point, down 1/3 of a point, down 3/4 of a point, and u

HACTEHA [7]

The price of the stock of PEV Corporation varies as shown. we have to determine the net charge. Net change is just how much it changed overall, so we will look for all the ups minus all the downs.

Here, "went up" goes with a + sign, and "went down" goes with a - sign.

So, Net charge = $\frac{1}{4} - \frac{1}{3}-\frac{3}{4} + \frac{7}{10}$

= $\frac{1}{4}-\frac{3}{4}- \frac{1}{3} + \frac{7}{10}$

= $-\frac{2}{4}- \frac{1}{3} + \frac{7}{10}$

= $-\frac{1}{2}- \frac{1}{3} + \frac{7}{10}$

LCM of 2,3 and 10 is 30

= $\frac{-15-10+21}{30}$

= $\frac{-4}{30}$

= $\frac{-2}{15}$

So, the net charge is $\frac{-2}{15}$

8 0

2 years ago